SXR122M050ST

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor with an electrolyte (electrically conductive liquid or gel) as one of its electrical plates. It has a large capacitance and is widely used in power supply, filter, decoupling, bypass, signal coupling and other fields, where it is often one of the main components in electronic circuits. One such capacitor is the SXR122M050ST, an aluminum electrolytic capacitor.

SXR122M050ST Application Field and Working Principle

The SXR122M050ST is a chip-type aluminum electrolytic capacitor with a capacitance rating of 122uF and a rated voltage of 50V. Its small size makes it ideal for use on circuit boards, in appliances, and other machines that require a compact form factor.

The working principle of the SXR122M050ST is based on its construction. It is composed of an anode (positive electrode), a cathode (negative electrode) and an electrolyte (electrically conductive liquid or gel). The anode is typically made of aluminum foil with oxide layers that act as a dielectric, while the cathode is typically made of aluminum foil with an electrolytic solution applied to it. When a voltage is applied, the positive and negative charges of the anode and cathode respectively attract each other and form a capacitance. This is known as the capacitive effect.

The SXR122M050ST is also polarized, meaning that anode and cathode should not be connected the wrong way around, otherwise the capacitor can be damaged. This is because the electrolytic solution can react with the oxide dielectric and damage it, reducing the capacitance of the capacitor.

In terms of application, the SXR122M050ST is often used as a filter capacitor in AC-DC or DC-DC converters, protecting sensitive components from frequency interference or having a clean power supply. It can also be used in audio circuits as a bypass capacitor and as a decoupling capacitor for power ICs to reduce power supply noise. For example, in a laptop\'s power supply, the SXR122M050ST is usually used to filter out signal interference from other components in the system.

Another application of the SXR122M050ST is in automotive systems, where it is used to reduce noise in engine ignition coils or to filter out interference from the automotive\'s electronic control unit.

Overall, the SXR122M050ST is a versatile and widely used aluminum electrolytic capacitor with a wide range of applications. Its small size makes it perfect for use in space-constrained circuit boards and for use in automotive systems.

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